CVE-2012-1847: Microsoft Excel 2003 SP3, 2007 SP2 and SP3, and 2010 Gold and SP1; Office 2008 and 2011 for Mac; Excel View...

Security readout for executives and security teams

This is a legacy Microsoft Excel remote code execution issue. A malicious spreadsheet could cause affected Excel or Office components to mishandle memory while opening the file, allowing attacker-controlled code to run under the user’s privileges. Exposure is most likely on endpoints still running the listed 2003, 2007, 2010, Mac, Viewer, or Compatibility Pack versions, especially where users can receive and open external spreadsheets. Prioritize remediation where legacy Office is still present on user workstations. The business risk is user-driven compromise through malicious documents, but no active exploitation evidence is provided in the bundle. Mitigation focus: Apply Microsoft’s MS12-030 security update to affected Office and Excel components.; Remove or upgrade unsupported legacy Office, Excel Viewer, and Compatibility Pack installations.; Limit handling of untrusted spreadsheets on systems that cannot be updated quickly..

Prepared

Jun 24, 2026, 12:52 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.